OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.
CVSS Details
- CVSS 3.0 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-openvpn | Sep 20, 2017 | May 15, 2017 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | May 15, 2017 | |
| Debian | debian-upgrade-openvpn | Jul 30, 2024 | May 15, 2017 | |
| Freebsd | freebsd-upgrade-package-openvpnfreebsd-upgrade-package-openvpn23freebsd-upgrade-package-openvpn-mbedtlsfreebsd-upgrade-package-openvpn-polarsslfreebsd-upgrade-package-openvpn23-polarssl | May 11, 2017 | May 11, 2017 | |
| Suse | — | suse-upgrade-openvpnsuse-upgrade-openvpn-auth-pam-pluginsuse-upgrade-openvpn-openssl1suse-upgrade-openvpn-openssl1-down-root-plugin | Jun 20, 2017 | May 10, 2017 |
| Ubuntu | ubuntu-upgrade-openvpn | May 11, 2017 | May 10, 2017 |
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